The world's biggest masts have been completed in Portsmouth for what is rumoured to be the world's largest supersailing yacht, believed to be a 345ft leviathan. In a tidal reach at the northern end of Portsmouth Harbour, the giant spars of two enormous superyachts have been taking shape in strict secrecy over the last three years.

The cardinal rule of navigation is that two boats should never occupy the same coordinates. Even if you’re an experienced skipper, that doesn’t mean the other guy is. Whether in the harbor or offshore, you must be constantly alert to avoid a collision. Fortunately, there are a number of useful safety tools at your disposal, including ones you might already own.

Lindblad Expeditions are cruise experts whom have partnered with National Geographic in order to offer their guests the ultimate in adventure cruises to destinations across the globe. With a wide variety of different adventures to choose from that include destinations such as Antarctica, the Arctic, the Galapagos and Asia with expert guides to lead you through the more interesting aspects that each adventure can offer, an ultimate experience is assured.
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